Seiko HBC003J1vsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko HBC003J1 at true scale

HBC003J1

Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) at true scale

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

Diameter

39.5mm

38mm

Lug-to-Lug

44.5mm

lowest

46mm

Thickness

12mm

lowest

12.8mm

Water Resistance

200m

200m

Power Reserve

72h

n/a

MSRP

$995

$238

lowest

Movement

Seiko 6R55

Seiko NH35

Case

3 specs
Diameter
39.5mm
38mm
Thickness
12mm
12.8mm
Lug-to-Lug
44.5mm
46mm

Crystal & Dial

1 specs
Dial Color
n/a
Blue

Movement

2 specs
Caliber
Seiko 6R55
Seiko NH35
Power Reserve
72h
n/a

Pricing

1 specs
MSRP
$995
$238
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko HBC003J1

Owners praise the Seiko HBC003J1 for feeling more "alive" than alternatives. The movement settled to approximately -3 seconds per day, which is acceptable for daily wear when fully wound. Overall, owners rate the Seiko HBC003J1 well for its engaging character and acceptable timekeeping.

Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

Owners widely praise the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) for its superb quality and value, with many calling it a no-brainer purchase. Some owners note the bezel action could be crisper, and one user found shipping fees expensive, though the watch itself was considered on point. The Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) is reported to keep good time at +5-7 seconds per day. On balance, owners rate the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive dive bezel, perforated rubber strap) highly for its exceptional quality and affordability.